Home / 346,698,681.09-520,040,735.61-84,384,695.51

Finding the Fourth Proportional to 346,698,681.09, 520,040,735.61 and 84,384,695.51

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Solution

The fourth proportional to 346,698,681.09, 520,040,735.61 and 84,384,695.51 is: 126,575,269.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,698,681.09 : 520,040,735.61 = 84,384,695.51 : x
  2. Step 2: Convert to fraction form
    346,698,681.09/520,040,735.61 = 84,384,695.51/x
  3. Step 3: Cross multiply
    346,698,681.09x = 520,040,735.61 × 84,384,695.51
  4. Step 4: Simplify right side
    346,698,681.09x = 43,883,479,124,224,136
  5. Step 5: Solve for x
    x = 43,883,479,124,224,136/346,698,681.09
  6. Step 6: Final answer
    x = 126,575,269.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.